errors: remove duplicated ERR_HTTP_INVALID_STATUS_CODE error

PR-URL: https://github.com/nodejs/node/pull/15003
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

lib/internal/errors.js

@@ -117,7 +117,6 @@ E('ERR_ENCODING_INVALID_ENCODED_DATA',
   (enc) => `The encoded data was not valid for encoding ${enc}`);
 E('ERR_HTTP_HEADERS_SENT',
   'Cannot %s headers after they are sent to the client');
-E('ERR_HTTP_INVALID_STATUS_CODE', 'Invalid status code: %s');
 E('ERR_HTTP_TRAILER_INVALID',
   'Trailers are invalid with this transfer encoding');
 E('ERR_HTTP_INVALID_CHAR', 'Invalid character in statusMessage.');